Tetrapneumona Tet`rap*neu"mo*na, n. pl. [NL. See {Tetra-}, and
{Pneumo-}.] (Zo["o]l.)
A division of Arachnidaincluding those spiders which have
four lungs, or pulmonary sacs. It includes the bird spiders
({Mygale}) and the trapdoor spiders. See {Mygale}.
[1913 Webster]

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bat tick — Spider Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders … The Collaborative International Dictionary of English

bird tick — Spider Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders … The Collaborative International Dictionary of English

Citigradae — Spider Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders … The Collaborative International Dictionary of English

Laterigradae — Spider Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders … The Collaborative International Dictionary of English

Macrocheira Kempferi — Spider Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders … The Collaborative International Dictionary of English

Ophrys aranifera — Spider Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders … The Collaborative International Dictionary of English

Orbitellae — Spider Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders … The Collaborative International Dictionary of English

Spider — Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders have… … The Collaborative International Dictionary of English

Spider ant — Spider Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders … The Collaborative International Dictionary of English

Spider crab — Spider Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders … The Collaborative International Dictionary of English